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Occurrence and control of ring rot in‘Red Fuji’Apple
Author(s): 
Pages: 52-53
Year: Issue:  2
Journal: DECIDUOUS FRUITS

Keyword:  红富士轮纹病防治;
Abstract: 以6年生红富士苹果为试材,用挂涂有凡士林的载玻片捕捉轮纹病菌孢子和用罐头瓶收集雨水分离病菌孢子法观察一年中病菌孢子的消长规律,用树体中干上套塑膜袋防止病菌浸染法观察枝干上病斑发生情况.结果表明,一年中5、6、7月为病菌孢子集中散发期,4~5月为孢子发生初期,6~7月为盛期,8~9月为末期.孢子量及病斑多少与降水关系密切,降雨多的年份散发的病菌孢子量明显增多,病斑也多.防治苹果轮纹病要抓住萌芽前、谢花后、6~7月雨季多发期和果实发育后期喷杀菌剂.套袋前交替喷3次甲基托布津和大生M-45后套袋,可有效地防治苹果轮纹病.
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